10 Wins Calc - Subtraction4 app for iPhone and iPad

4.0 ( 6800 ratings )

Education
Developer: takeshi nakamura

0.99 USD

Current version: 1.0, last update: 7 years ago
First release : 18 Sep 2016
App size: 11.06 Mb

Mental arithmetic training application.
If you win 10 games in a row, you will go to the next level.

level1 : 67-50, 94-40, ...
level2 : 69-32, 77-61, ...
level3 : 20-4, 20-7, ...
level4 : 40-9, 70-6, ...
level5 : 81-5, 31-3, ...
level6 : 62-8, 74-9, ...
level7 : 35-8, 51-4, ...
level8 : 62-17, 71-12, ...
level9 : 85-27, 48-29, ...
level10 : 65-47, 92-36, ...

In Japan, 7-8 years old (2nd grade)